As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO COMPARTMENT FWD DOOR SHIELD CORRODED AT FS 770. GROUNDED - YES. REMOVED CORROSION ON SHIELD AND CHECKED LIMITS FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-60-15-1A-1 REMOVED AND REPLACED SHIELD IAW B737-900ER SRM 51-40-02-0G-0W=.5 O=.050 R=.044 L=1.0 D=.006.